#B41C1A#B41C1A

#B41C1A is a mid, vivid red. Relative luminance 0.106; OKLCH L 49.6% C 0.186 H 27.9°. Best body text is #FFFFFF at 6.73:1 contrast (WCAG AA passes).

Color values

HEX	#B41C1A
RGB	rgb(180, 28, 26)
HSL	hsl(1, 75%, 40%)
HSV	hsv(1, 86%, 71%)
CMYK	cmyk(0%, 84.4%, 85.6%, 29.4%)
CIE-LAB	lab(38.92, 57.81, 41.90)
CIE-LCH	lch(38.92, 71.39, 35.93°)
OKLab	oklab(49.58% 0.1645 0.0871)
OKLCH	oklch(49.58% 0.186 27.9)
XYZ	xyz(19.4266, 10.6116, 2.0025)
Luminance	0.1061 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#B41C1A #1AB2B4

analogous

#B41A65 #B41C1A #B4691A

triadic

#B41C1A #1AB41C #1C1AB4

tetradic

#B41C1A #65B41A #1AB2B4 #691AB4

square

#B41C1A #65B41A #1AB2B4 #691AB4

split-complementary

#B41C1A #1AB469 #1A65B4

monochromatic

#490B0B #7F1412 #B41C1A #E02D2B #E86260

Accessibility & contrast

On white

6.73

#B41C1A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#B41C1A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #B41C1A

6.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##B41C1A	#FFFFFF	#000000	##FFFFFF
##B41C1A	1.00	6.73	3.12	6.73
#FFFFFF	6.73	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504717

Deuteranopia (green-blind)

#746710

Tritanopia (blue-blind)

#C7001E

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #b41c1a;
/* rgb */ color: rgb(180, 28, 26);
/* oklch */ color: oklch(49.6% 0.186 27.9);

Tailwind

colors: {
  custom: {
    50: '#d56a59',
    500: '#b41c1a',
    950: '#000000',
  },
}

SCSS

$custom: #b41c1a;
$custom-light: #d56a59;
$custom-dark: #000000;

JSON

{
  "hex": "#b41c1a",
  "rgb": {
    "r": 180,
    "g": 28,
    "b": 26
  },
  "hsl": {
    "h": 0.779,
    "s": 74.757,
    "l": 40.392
  },
  "oklch": {
    "l": 0.49579,
    "c": 0.18616,
    "h": 27.9
  },
  "luminance": 0.10608
}

Semantic roles & 50–950 ramp

primary

#B41C1A

secondary

#5DCBCC

accent

#EFF136

background

#FEF6F5

surface

#FDECE9

border

#D5C7C5

text

#160703

muted

#847A78

Preview Lab

Preview with #B41C1A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →